<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>arguments内置对象演示文档</title>
    <script>
      function argObj() {
        console.log(arguments);
        console.log(arguments.length);
        for (var index = 0; index < arguments.length; index++) {
          console.log(arguments[index]);
        }
      }
      argObj("hello", "521", 38);
    </script>
  </head>
  <body></body>
</html>
